OBSERVATION OF MU3PI EVENTS IN E+E-ANNIHILATION

被引：47

作者：

JAROS, JA

ABRAMS, GS

ALAM, MS

BARBAROGALTIERI, A

BOYARSKI, AM

BREIDENBACH, M

CHINOWSKY, W

DORFAN, JM

ELY, R

FELDMAN, GJ

FELLER, JM

FONG, A

GOBBI, B

GOLDHABER, G

HANSON, G

JOHNSON, AD

KADYK, JA

KWAN, BP

LECOMTE, P

LITKE, A

LUKE, D

LUTH, V

MADARAS, RJ

MARTIN, JF

MILLER, DH

NGUYEN, HK

PARKER, SI

PATERSON, JM

PERL, ML

PERUZZI, I

PICCOLO, M

PUN, TP

RAPIDIS, PA

RONAN, MT

ROSS, RR

SCHARRE, DL

SCHWITTERS, RF

TANENBAUM, W

TRIPPE, TG

TRILLING, GH

VUILLEMIN, V

YOUNT, DE

机构：

[1] STANFORD UNIV,DEPT PHYS,STANFORD,CA 94305

[2] UNIV CALIF BERKELEY,LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[3] UNIV CALIF BERKELEY,DEPT PHYS,BERKELEY,CA 94720

[4] NORTHWESTERN UNIV,DEPT PHYS & ASTRON,EVANSTON,IL 60201

[5] UNIV HAWAII,DEPT PHYS & ASTRON,HONOLULU,HI 96822

来源：

PHYSICAL REVIEW LETTERS | 1978年 / 40卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.40.1120

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have observed events of the type +(3) in e+e- interactions at center-of-mass energies above 6 GeV. The properties of the events are consistent with their coming from the heavy-lepton decays and 3 or 4. The three-charged-pion invariant-mass distribution shows a significant peak at a mass 1.1 GeV/c2. We find the branching ratio into three charged and any number of neutral pions B(-n0)=0.180.065. © 1978 The American Physical Society.

引用

页码：1120 / 1123

页数：4

共 23 条

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